diff --git a/MAINTAINERS b/MAINTAINERS index 0d6469a2cf70..0aedd3e1804b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2606,7 +2606,7 @@ L: cgroups@vger.kernel.org L: linux-mm@kvack.org S: Maintained F: mm/memcontrol.c -F: mm/page_cgroup.c +F: mm/swap_cgroup.c CORETEMP HARDWARE MONITORING DRIVER M: Fenghua Yu diff --git a/include/linux/page_cgroup.h b/include/linux/swap_cgroup.h similarity index 88% rename from include/linux/page_cgroup.h rename to include/linux/swap_cgroup.h index 65be35785c86..145306bdc92f 100644 --- a/include/linux/page_cgroup.h +++ b/include/linux/swap_cgroup.h @@ -1,15 +1,17 @@ -#ifndef __LINUX_PAGE_CGROUP_H -#define __LINUX_PAGE_CGROUP_H +#ifndef __LINUX_SWAP_CGROUP_H +#define __LINUX_SWAP_CGROUP_H #include #ifdef CONFIG_MEMCG_SWAP + extern unsigned short swap_cgroup_cmpxchg(swp_entry_t ent, unsigned short old, unsigned short new); extern unsigned short swap_cgroup_record(swp_entry_t ent, unsigned short id); extern unsigned short lookup_swap_cgroup_id(swp_entry_t ent); extern int swap_cgroup_swapon(int type, unsigned long max_pages); extern void swap_cgroup_swapoff(int type); + #else static inline @@ -37,4 +39,4 @@ static inline void swap_cgroup_swapoff(int type) #endif /* CONFIG_MEMCG_SWAP */ -#endif /* __LINUX_PAGE_CGROUP_H */ +#endif /* __LINUX_SWAP_CGROUP_H */ diff --git a/mm/Makefile b/mm/Makefile index 6d9f40e922f7..b3c6ce932c64 100644 --- a/mm/Makefile +++ b/mm/Makefile @@ -56,7 +56,8 @@ obj-$(CONFIG_MIGRATION) += migrate.o obj-$(CONFIG_QUICKLIST) += quicklist.o obj-$(CONFIG_TRANSPARENT_HUGEPAGE) += huge_memory.o obj-$(CONFIG_PAGE_COUNTER) += page_counter.o -obj-$(CONFIG_MEMCG) += memcontrol.o page_cgroup.o vmpressure.o +obj-$(CONFIG_MEMCG) += memcontrol.o vmpressure.o +obj-$(CONFIG_MEMCG_SWAP) += swap_cgroup.o obj-$(CONFIG_CGROUP_HUGETLB) += hugetlb_cgroup.o obj-$(CONFIG_MEMORY_FAILURE) += memory-failure.o obj-$(CONFIG_HWPOISON_INJECT) += hwpoison-inject.o diff --git a/mm/memcontrol.c b/mm/memcontrol.c index b864067791dc..ab270e34ba3e 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -51,7 +51,7 @@ #include #include #include -#include +#include #include #include #include diff --git a/mm/page_cgroup.c b/mm/swap_cgroup.c similarity index 98% rename from mm/page_cgroup.c rename to mm/swap_cgroup.c index f0f31c1d4d0c..b5f7f24b8dd1 100644 --- a/mm/page_cgroup.c +++ b/mm/swap_cgroup.c @@ -1,9 +1,8 @@ -#include -#include +#include #include -#include +#include -#ifdef CONFIG_MEMCG_SWAP +#include /* depends on mm.h include */ static DEFINE_MUTEX(swap_cgroup_mutex); struct swap_cgroup_ctrl { @@ -207,5 +206,3 @@ void swap_cgroup_swapoff(int type) vfree(map); } } - -#endif diff --git a/mm/swap_state.c b/mm/swap_state.c index 154444918685..9711342987a0 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -17,7 +17,6 @@ #include #include #include -#include #include diff --git a/mm/swapfile.c b/mm/swapfile.c index 8798b2e0ac59..63f55ccb9b26 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -38,7 +38,7 @@ #include #include #include -#include +#include static bool swap_count_continued(struct swap_info_struct *, pgoff_t, unsigned char);